# Brain Math Merge vs Drop Building Block 3D

The clearest difference is rating: Brain Math Merge at 5.0 against Drop Building Block 3D's 4.5. Drop Building Block 3D's advantage is update cadence (every 4 days vs every 6 weeks) and iOS requirement (12.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Brain Math Merge holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Brain Math Merge ships an update every 6 weeks, Drop Building Block 3D every 4 days. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Brain Math Merge | Drop Building Block 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brain-math-merge/id1588007845/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/drop-building-block-3d/id6476754965/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 41 MB | 94 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing hanhe culture media Co., LTD](https://appshunter.io/developer/532480776) | [建涛 黎](https://appshunter.io/developer/1258696951) |

## What reviewers say

### Brain Math Merge

[App page](https://appshunter.io/ios/app/brain-math-merge/id1588007845)

This number-merge puzzle game challenges your brain with addition and subtraction. Swipe to combine numbers and solve math puzzles that increase in difficulty. It's perfect for offline practice and mental arithmetic training for all ages.

**Highlights:** Number merge with addition & subtraction, Math puzzle levels, Endless brain-teasing challenges, Offline single-player, Auto-save functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Drop Building Block 3D

[App page](https://appshunter.io/ios/app/drop-building-block-3d/id6476754965)

Engage your mind with this colorful puzzle game. Merge numbered balls to achieve high scores or strategically place blocks to match patterns and clear levels. It offers a fun way to exercise your brain.

**Highlights:** Merge 2048 balls, Challenge highest scores, Place building blocks, Match level patterns, Brain exercise, Colorful graphics

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Brain Math Merge free?

Brain Math Merge is free to download, with no in-app purchases.

### Is Drop Building Block 3D free?

Drop Building Block 3D is free to download, with no in-app purchases.

### Which has better reviews, Brain Math Merge or Drop Building Block 3D?

Brain Math Merge is rated higher. Brain Math Merge averages 5.0 out of 5 from 2 ratings, while Drop Building Block 3D averages 4.5 from 4 ratings.

### Do Brain Math Merge or Drop Building Block 3D have ads?

Both Brain Math Merge and Drop Building Block 3D show ads.

### Which is updated more often, Brain Math Merge or Drop Building Block 3D?

Brain Math Merge ships an update every 6 weeks, and Drop Building Block 3D every 4 days. Most recently, Brain Math Merge was updated on November 11, 2026 and Drop Building Block 3D on November 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*